combinatorics in physics

You might be interested in reading this article, and comparing the third picture with the first picture on our syllabus. 🙂

If you’re interested in learning more (final project, anyone?) here are the notes on the positive Grassmannian from Alex Postnikov’s course in Bogotá en ECCO 2012:

and this is the article relating the combinatorics of positroids to quantum field theory.



  1. This is very interesting, can something like this be a project topic?

  2. Absolutely!
    I am very open as to what constitutes a valid project topic, as long as there is significant combinatorial content. In your project proposal you’ll get a chance to tell me what topic you have in mind; I’ll give you some feedback, suggestions, expectations, etc.

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